EP0423718A3 - Television signal convertor - Google Patents
Television signal convertor Download PDFInfo
- Publication number
- EP0423718A3 EP0423718A3 EP19900119830 EP90119830A EP0423718A3 EP 0423718 A3 EP0423718 A3 EP 0423718A3 EP 19900119830 EP19900119830 EP 19900119830 EP 90119830 A EP90119830 A EP 90119830A EP 0423718 A3 EP0423718 A3 EP 0423718A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- television signal
- signal convertor
- convertor
- television
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/007—Systems with supplementary picture signal insertion during a portion of the active part of a television signal, e.g. during top and bottom lines in a HDTV letter-box system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
- H04N7/0152—High-definition television systems using spatial or temporal subsampling
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP269298/89 | 1989-10-17 | ||
JP1269298A JPH03132185A (ja) | 1989-10-17 | 1989-10-17 | テレビジョン信号変換器 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0423718A2 EP0423718A2 (en) | 1991-04-24 |
EP0423718A3 true EP0423718A3 (en) | 1992-08-05 |
Family
ID=17470402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900119830 Withdrawn EP0423718A3 (en) | 1989-10-17 | 1990-10-16 | Television signal convertor |
Country Status (4)
Country | Link |
---|---|
US (1) | US5103308A (un) |
EP (1) | EP0423718A3 (un) |
JP (1) | JPH03132185A (un) |
KR (1) | KR950009450B1 (un) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6353735B1 (en) | 1998-10-21 | 2002-03-05 | Parkervision, Inc. | MDG method for output signal generation |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US6421534B1 (en) | 1998-10-21 | 2002-07-16 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6580902B1 (en) | 1998-10-21 | 2003-06-17 | Parkervision, Inc. | Frequency translation using optimized switch structures |
US6647250B1 (en) | 1998-10-21 | 2003-11-11 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US7653158B2 (en) | 2001-11-09 | 2010-01-26 | Parkervision, Inc. | Gain control in a communication channel |
US7653145B2 (en) | 1999-08-04 | 2010-01-26 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7724845B2 (en) | 1999-04-16 | 2010-05-25 | Parkervision, Inc. | Method and system for down-converting and electromagnetic signal, and transforms for same |
US7773688B2 (en) | 1999-04-16 | 2010-08-10 | Parkervision, Inc. | Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors |
US7822401B2 (en) | 2000-04-14 | 2010-10-26 | Parkervision, Inc. | Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor |
US7865177B2 (en) | 1998-10-21 | 2011-01-04 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US7894789B2 (en) | 1999-04-16 | 2011-02-22 | Parkervision, Inc. | Down-conversion of an electromagnetic signal with feedback control |
US7991815B2 (en) | 2000-11-14 | 2011-08-02 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US8019291B2 (en) | 1998-10-21 | 2011-09-13 | Parkervision, Inc. | Method and system for frequency down-conversion and frequency up-conversion |
US8160196B2 (en) | 2002-07-18 | 2012-04-17 | Parkervision, Inc. | Networking methods and systems |
US8233855B2 (en) | 1998-10-21 | 2012-07-31 | Parkervision, Inc. | Up-conversion based on gated information signal |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US8407061B2 (en) | 2002-07-18 | 2013-03-26 | Parkervision, Inc. | Networking methods and systems |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69121626T2 (de) * | 1990-04-26 | 1997-02-20 | Canon Kk | Einrichtung zur Fernsehsignalumwandlung |
US5315327A (en) * | 1991-05-21 | 1994-05-24 | Sony Corporation | High scanning rate to standard scanning rate television signal converter with smooth moving edge conversion |
KR0154134B1 (ko) * | 1991-06-29 | 1998-11-16 | 강진구 | 뮤즈/엔티에스시방식 변환장치 |
US5229853A (en) * | 1991-08-19 | 1993-07-20 | Hewlett-Packard Company | System for converting a video signal from a first format to a second format |
KR0155688B1 (ko) * | 1991-09-28 | 1998-11-16 | 강진구 | 텔레비젼신호 변환장치 |
KR0146695B1 (ko) * | 1991-09-30 | 1998-09-15 | 강진구 | 텔레비젼신호 변환방식 및 장치 |
GB9217098D0 (en) * | 1992-08-12 | 1992-09-23 | British Broadcasting Corp | Derivation of studio camera position and motion from the camera image |
US6262779B1 (en) * | 1998-02-10 | 2001-07-17 | Hitachi, Ltd | Display apparatus with circuit expanding horizontal retrace interval of horizontal deflection current |
AU761083B2 (en) * | 1998-06-03 | 2003-05-29 | Gpi Nil Holdings, Inc. | Pipecolic acid derivative hair growth compositions and uses |
JP4472585B2 (ja) * | 2005-06-14 | 2010-06-02 | オリンパス株式会社 | 送信装置および被検体内情報取得システム |
CN100455005C (zh) * | 2005-09-29 | 2009-01-21 | 西安交通大学 | 数字高清晰度电视芯片输入高清晰电视和计算机信号方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4661850A (en) * | 1986-01-31 | 1987-04-28 | Rca Corporation | Progressive scan television system with interlaced inter-field sum and difference components |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4633293A (en) * | 1983-09-26 | 1986-12-30 | Rca Corporation | High definition television signal for film-television standards conversion system |
US4603350A (en) * | 1984-12-21 | 1986-07-29 | Rca Corporation | Interlaced digital video input filter/decimator and/or expander/interpolator filter |
US4692801A (en) * | 1985-05-20 | 1987-09-08 | Nippon Hoso Kyokai | Bandwidth compressed transmission system |
JP2612893B2 (ja) * | 1988-04-01 | 1997-05-21 | 日本放送協会 | テレビジョン信号走査変換伝送方法 |
JP2713973B2 (ja) * | 1988-04-08 | 1998-02-16 | 株式会社日立製作所 | テレビジョン信号の伝送方法及び再生方法 |
JP2799713B2 (ja) * | 1988-09-29 | 1998-09-21 | パイオニア株式会社 | Muse―ntsc変換方式 |
JP2594153B2 (ja) * | 1989-07-14 | 1997-03-26 | 三洋電機株式会社 | Muse/ntscコンバータ |
US5001562A (en) * | 1989-07-21 | 1991-03-19 | Pioneer Electronic Corporation | Scanning line converting system for displaying a high definition television system video signal on a TV receiver |
JPH0385976A (ja) * | 1989-08-30 | 1991-04-11 | Sanyo Electric Co Ltd | テレビジョン方式変換装置 |
JP2763346B2 (ja) * | 1989-09-19 | 1998-06-11 | 日本放送協会 | 走査線数逓降ダウンコンバータ用走査線変換垂直フィルタ |
-
1989
- 1989-10-17 JP JP1269298A patent/JPH03132185A/ja active Pending
-
1990
- 1990-10-16 US US07/598,318 patent/US5103308A/en not_active Expired - Fee Related
- 1990-10-16 EP EP19900119830 patent/EP0423718A3/en not_active Withdrawn
- 1990-10-17 KR KR1019900016524A patent/KR950009450B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4661850A (en) * | 1986-01-31 | 1987-04-28 | Rca Corporation | Progressive scan television system with interlaced inter-field sum and difference components |
Non-Patent Citations (2)
Title |
---|
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS vol. 35, no. 3, August 1989, NEW YORK, US pages 142 - 150; M. ITOGA ET AL.: 'MUSE/NTSC Converter' * |
SIGNAL PROCESSING OF HDTV, II Proceedings of the Third International Workshop on HDTV; Turin, Italy, 30.08.-1.09.1989 Y. MITZUTANI et al.:'Scanning Line Conversion from MUSE to EDTV'; pages 657-664 * |
Cited By (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US7826817B2 (en) | 1998-10-21 | 2010-11-02 | Parker Vision, Inc. | Applications of universal frequency translation |
US8190116B2 (en) | 1998-10-21 | 2012-05-29 | Parker Vision, Inc. | Methods and systems for down-converting a signal using a complementary transistor structure |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US7865177B2 (en) | 1998-10-21 | 2011-01-04 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6580902B1 (en) | 1998-10-21 | 2003-06-17 | Parkervision, Inc. | Frequency translation using optimized switch structures |
US6647250B1 (en) | 1998-10-21 | 2003-11-11 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6687493B1 (en) | 1998-10-21 | 2004-02-03 | Parkervision, Inc. | Method and circuit for down-converting a signal using a complementary FET structure for improved dynamic range |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US8340618B2 (en) | 1998-10-21 | 2012-12-25 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US8233855B2 (en) | 1998-10-21 | 2012-07-31 | Parkervision, Inc. | Up-conversion based on gated information signal |
US6798351B1 (en) | 1998-10-21 | 2004-09-28 | Parkervision, Inc. | Automated meter reader applications of universal frequency translation |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6836650B2 (en) | 1998-10-21 | 2004-12-28 | Parkervision, Inc. | Methods and systems for down-converting electromagnetic signals, and applications thereof |
US6421534B1 (en) | 1998-10-21 | 2002-07-16 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US8190108B2 (en) | 1998-10-21 | 2012-05-29 | Parkervision, Inc. | Method and system for frequency up-conversion |
US8160534B2 (en) | 1998-10-21 | 2012-04-17 | Parkervision, Inc. | Applications of universal frequency translation |
US7693502B2 (en) | 1998-10-21 | 2010-04-06 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, transforms for same, and aperture relationships |
US8019291B2 (en) | 1998-10-21 | 2011-09-13 | Parkervision, Inc. | Method and system for frequency down-conversion and frequency up-conversion |
US7936022B2 (en) | 1998-10-21 | 2011-05-03 | Parkervision, Inc. | Method and circuit for down-converting a signal |
US7937059B2 (en) | 1998-10-21 | 2011-05-03 | Parkervision, Inc. | Converting an electromagnetic signal via sub-sampling |
US7697916B2 (en) | 1998-10-21 | 2010-04-13 | Parkervision, Inc. | Applications of universal frequency translation |
US6353735B1 (en) | 1998-10-21 | 2002-03-05 | Parkervision, Inc. | MDG method for output signal generation |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US7929638B2 (en) | 1999-04-16 | 2011-04-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments |
US7773688B2 (en) | 1999-04-16 | 2010-08-10 | Parkervision, Inc. | Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors |
US7894789B2 (en) | 1999-04-16 | 2011-02-22 | Parkervision, Inc. | Down-conversion of an electromagnetic signal with feedback control |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US8036304B2 (en) | 1999-04-16 | 2011-10-11 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US8077797B2 (en) | 1999-04-16 | 2011-12-13 | Parkervision, Inc. | Method, system, and apparatus for balanced frequency up-conversion of a baseband signal |
US7724845B2 (en) | 1999-04-16 | 2010-05-25 | Parkervision, Inc. | Method and system for down-converting and electromagnetic signal, and transforms for same |
US8229023B2 (en) | 1999-04-16 | 2012-07-24 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments |
US8594228B2 (en) | 1999-04-16 | 2013-11-26 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US8224281B2 (en) | 1999-04-16 | 2012-07-17 | Parkervision, Inc. | Down-conversion of an electromagnetic signal with feedback control |
US8223898B2 (en) | 1999-04-16 | 2012-07-17 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7653145B2 (en) | 1999-08-04 | 2010-01-26 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7822401B2 (en) | 2000-04-14 | 2010-10-26 | Parkervision, Inc. | Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor |
US8295800B2 (en) | 2000-04-14 | 2012-10-23 | Parkervision, Inc. | Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor |
US7991815B2 (en) | 2000-11-14 | 2011-08-02 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7653158B2 (en) | 2001-11-09 | 2010-01-26 | Parkervision, Inc. | Gain control in a communication channel |
US8446994B2 (en) | 2001-11-09 | 2013-05-21 | Parkervision, Inc. | Gain control in a communication channel |
US8160196B2 (en) | 2002-07-18 | 2012-04-17 | Parkervision, Inc. | Networking methods and systems |
US8407061B2 (en) | 2002-07-18 | 2013-03-26 | Parkervision, Inc. | Networking methods and systems |
Also Published As
Publication number | Publication date |
---|---|
EP0423718A2 (en) | 1991-04-24 |
US5103308A (en) | 1992-04-07 |
JPH03132185A (ja) | 1991-06-05 |
KR910009091A (ko) | 1991-05-31 |
KR950009450B1 (ko) | 1995-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19901207 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE ES FR GB IT |
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PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE ES FR GB IT |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
17Q | First examination report despatched |
Effective date: 19950208 |
|
18W | Application withdrawn |
Withdrawal date: 19950209 |